3
-1
Section::::Abstract.
Number
21690
3
-1
Section::::History.

Computer keyboard
18842281
3
-1
Section::::Abstract.
Pound sign
367168
3
-1
Section::::History.

Number sign
59006
three
-1
Section::::Main classification.:Natural numbers.

Number
21690
three
-1
Section::::Keyboard types.:Standard.

Computer keyboard
18842281
three
three
-1
Section::::Unicode.

Number sign
59006